Предмет: Математика, автор: Аноним

Скорость катера 18 км/ч,скорость течения одна целая две третьих сколько катер пройдёт против течения за 1 целую 5 десятых часа

Ответы

Автор ответа: IrkaShevko

0

1) 18 - 1 2/3 = 16 1/3 (км/ч) - скорость катера относительно берега

2) 16 1/3 * 1 1/2 = 49/3 * 3/2 = 24,5 (км) - пройдет катер

Ответ: 24,5 км

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: ahmetulynurgisa

PAST SIMPLE & CONTINUOUS Fill in the blanks with the correct tense: past simple / continuous 1.-While you were listening to music, the teacher (explain) the lesson. 2.-As I was walking down the street, I ....(meet) an old friend from school. 3.-When the phone rang. Marina (listen) to music on the radio. 4.-The children began to cry when the horror film. (start) on TV. 5.-We were sleeping when the bomb 6.-While he was watching the news, his girlfriend (appear) 7.-I began to enjoy my job when my boss (increase) my wages. 8.-When Stephen (visit) Rome, he (buy) many souvenirs for me. 9.-The children (clean) their bedroom when their mom opened the door. 10.-While the taxi driver 11.-He (live) in France when he met his wife. 12.-While they were climbing a mountain, the photographer 13.- When the firefighters 14.- A dog ran out in front of the car when we.. 15.-While Sarah was getting out of the car, she some bad mistakes while I 16.- I L 17.- Mr. Harper 18.- When I ****** 19.-While Nora..... 20.-She 21.-While they ********** (clean) the windows, it began to rain. Ent *** (explode) .....(win) the lottery, I (find) a fly in the soup while he (get) married when she (arrive), we were glad to see them. **** (take) photos. (drive) on the road. (drop) her handbag. (do) the English test. MER (bought) my wife a good car. (work) at the local hospital, she knew many people. .(be)twenty-two years old. (swim) in the sea, the sun shone. (have) lunch at the canteen.

2 года назад

Предмет: География, автор: shdshkd0404

№ 2. Перечислите природные зоны Казахстана ( их последовательная смена с севера на юг). (2 балла) (1 балл) № 3. Назовите причину формирования высотной поясности. No 4. Назовите причину формирования природных зон. (1 балл)

2 года назад

Предмет: Русский язык, автор: shedevr7

что такое материальные блага?

2 года назад

Предмет: Алгебра, автор: Felse

Решить уравнение 7х²=0

8 лет назад

Предмет: Алгебра, автор: verakraminskaya

Помогите пожалуйста решить систему уравнений способом постановки {y=x²-4x+1 {2x+y=4

8 лет назад